Nov 18 16:46:29.675 INFO testing crush-0.1.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 16:46:29.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 18 16:46:30.233 INFO [stdout] a5ea492b79e7ccc7982aaa93246417fc9515d946f45221d49b6ed322ba920bf4
Nov 18 16:46:30.238 INFO running `"docker" "start" "-a" "a5ea492b79e7ccc7982aaa93246417fc9515d946f45221d49b6ed322ba920bf4"`
Nov 18 16:46:31.926 INFO [stderr] usermod: no changes
Nov 18 16:46:32.067 INFO [stderr]    Compiling clap v2.2.6
Nov 18 16:46:32.067 INFO [stderr]    Compiling simple_logger v0.4.0
Nov 18 16:46:46.003 INFO [stderr]    Compiling crushtool v0.3.8
Nov 18 16:46:50.161 INFO [stderr] rustc: /checkout/src/llvm/lib/IR/Type.cpp:241: static llvm::IntegerType *llvm::IntegerType::get(llvm::LLVMContext &, unsigned int): Assertion `NumBits >= MIN_INT_BITS && "bitwidth too small"' failed.
Nov 18 16:46:50.178 INFO [stderr] error: Could not compile `crushtool`.
Nov 18 16:46:50.179 INFO [stderr] 
Nov 18 16:46:50.179 INFO [stderr] Caused by:
Nov 18 16:46:50.180 INFO [stderr]   process didn't exit successfully: `rustc --crate-name crushtool /cargo-home/registry/src/github.com-1ecc6299db9ec823/crushtool-0.3.8/src/lib.rs --color never --crate-type lib --emit=dep-info,link -C debuginfo=2 -C metadata=c03f0ffe8d826902 -C extra-filename=-c03f0ffe8d826902 --out-dir /target/debug/deps -L dependency=/target/debug/deps --extern byteorder=/target/debug/deps/libbyteorder-1fa78d5550230b79.rlib --extern clap=/target/debug/deps/libclap-763727a4d30cbb27.rlib --extern enum_primitive=/target/debug/deps/libenum_primitive-303d7f699cdbce9d.rlib --extern log=/target/debug/deps/liblog-f804b4f2c8d626c2.rlib --extern nom=/target/debug/deps/libnom-9dbe6b2593766f76.rlib --extern num=/target/debug/deps/libnum-b34430ccc4fb48dc.rlib --extern rustc_serialize=/target/debug/deps/librustc_serialize-3b413c0759e88ab2.rlib --cap-lints allow --cap-lints=forbid` (signal: 6, SIGABRT: process abort signal)
Nov 18 16:46:50.184 INFO [stderr] su: No module specific data is present
Nov 18 16:46:51.714 INFO running `"docker" "inspect" "a5ea492b79e7ccc7982aaa93246417fc9515d946f45221d49b6ed322ba920bf4"`
Nov 18 16:46:52.145 INFO running `"docker" "rm" "-f" "a5ea492b79e7ccc7982aaa93246417fc9515d946f45221d49b6ed322ba920bf4"`
Nov 18 16:46:52.466 INFO [stdout] a5ea492b79e7ccc7982aaa93246417fc9515d946f45221d49b6ed322ba920bf4